Add functional custom JsonConverter tests for Int128/UInt128/Half #74254
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Tagging subscribers to this area: @dotnet/area-system-text-json, @gregsdennis Issue DetailsContributes to: #73500 Add tests to make sure user-written converter for new numeric types work correctly
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In the interest of validating feasibility, can this converter be written in a way that avoids the intermediate string allocations?
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I'll need to convert to UTF-16 either way since (I think) none of these have UTF-8 overloads. I could possibly create char buffer on the stack with stackalloc but then ReadOnlySequence gets relatively complicated and I have to put some arbitrary numbers for guessed max size of the buffer. I think for simplicity better to keep it as is...
...n/tests/System.Text.Json.Tests/Serialization/ConvertersForUnsupportedTypesFunctionalTests.cs
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Contributes to: #73500
Add tests to make sure user-written converter for new numeric types work correctly